Phone Comparison - Samsung Galaxy S21 FE 5G vs Samsung Galaxy S25 Ultra vs Samsung Galaxy Z Fold7

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2023, July 11 January 2025 July 2025
Status Coming soon. Exp. release 2023, July February 2025 Coming Soon - July 2025
Price Rs. 49,999 ($0.00) [Similarly Priced] Rs. 129,999 ($0.00) [Similarly Priced] Rs. 174,999 ($0.00) [Similarly Priced]
Colors White, Graphite, Lavender, Olive Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold Blue Shadow, Silver Shadow, Jet Black, Mint
Form Factor Candybar Candybar Candybar
Dimension 155.7 x 74.5 x 7.9 mm
(6.13 x 2.93 x 0.31 in)
162.8 x 77.6 x 8.2 mm
(6.41 x 3.06 x 0.32 in)
Unfolded: 158.4 x 143.2 x 4.2 mm
Folded: 158.4 x 72.8 x 8.9 mm
(Unfolded: 6.24 x 5.64 x 0.17 in
Folded: 6.24 x 2.87 x 0.35 in)
Weight 177 g (6.24 oz) 218 g (7.69 oz) 215 g (7.58 oz)
SIM Type Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) - -
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1900 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1900
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1xEV-DO
4G Network LTE LTE LTE
5G Network SA/NSA/Sub6 SA/NSA/Sub6 - International
SA/NSA/Sub6/mmWave - USA
SA/NSA/Sub6 - International
SA/NSA/Sub6/mmWave - USA
Messaging
Build Features - Fingerprint Sensor (under display, optical)
IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor (under display, ultrasonic)
IP68 dust/water resistant (up to 1.5m for 30 min)
Stylus (Bluetooth integration, accelerometer, gyro)
- Fingerprint Sensor (side-mounted)
IP48 dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min)
Advanced Armor aluminum frame
Stylus support

hardware Hardware and OS

OS Android 12 Android 15, up to 7 major Android upgrades Android 16, up to 7 major Android upgrades,
User Interface One UI 4 One UI 7 One UI 8
Processor Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680, Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M), Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M), Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
GPU Adreno 660 Adreno 830 Adreno 830 (1200 MHz)
RAM 8 GB 16 GB 16 GB
Internal Memory 256 GB 1 TB 1 TB
External Memory microSDXC (uses shared SIM slot) No No

display Display

Type FHD+ Dynamic AMOLED 2X Screen
120Hz Refresh Rate
HDR10+
Corning Gorilla Glass Victus
Always-on display
QHD+ Dynamic LTPO AMOLED 2X Screen
120Hz, HDR10+, 2600 Nits (peak)
Corning Gorilla Armor 2
FHD+ Foldable Dynamic LTPO AMOLED 2X Screen
120Hz, HDR10+, 2600 Nits (peak)
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.9 inches 8.0 inches
Resolution 1080 x 2400 pixels (411 ppi) 1440 x 3120 pixels (498 ppi) 1968 x 2184 pixels (367 ppi)
Screen-to-Body Ratio 85.34% 92.51% 90.76%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no no no
Radio FM radio No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 12 MP + 8 MP + 12 MP 200 MP + 10 MP + 50 MP + 50 MP 200 MP + 10 MP + 12 MP
Flash LED Flash LED Flash LED Flash
Features 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
8 MP, f/2.4, 76mm (telephoto), PDAF, 3x optical zoom
12 MP, f/2.2, 13mm, 123˚ (ultrawide)
Auto-HDR, Panorama
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP, f/1.9, 120˚ (ultrawide), 0.7µm, dual pixel PDAF, Super Steady video 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS
10 MP, f/2.4, 67mm (telephoto), 1.0µm, PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 120˚ (ultrawide), 1.4µm, dual pixel PDAF
HDR, Panorama
Video 4K@30/60fps, 1080p@30/60fps, gyro-EIS 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS 8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 720p@960fps (gyro-EIS), 10-bit HDR, HDR10+
Front Camera 32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
HDR
4K@30/60fps, 1080p@30/60fps (gyro-EIS) [Similar]
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
HDR, HDR10+
Video - 4K@30/60fps, 1080p@30fps [Similar]
10 MP, f/2.2, 18mm (ultrawide), 1.12µm
Cover camera:
10 MP, f/2.2, 24mm (wide), 1.12µm
HDR
4K@30/60fps, 1080p@30/60fps, gyro-EIS [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA, LTE (up to 7CA), 5G HSPA, LTE (CA), 5G
Bluetooth 5.2, A2DP, LE 5.4, A2DP, LE 5.4, A2DP, LE, aptX HD
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
USB USB Type-C 3.2, USB On-The-Go USB Type-C 3.2, DisplayPort 1.2, OTG USB Type-C 3.2, OTG
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO GPS, GLONASS, BDS, GALILEO, QZSS GPS, GALILEO, GLONASS, BDS, QZSS
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 1 TB, 16 GB RAM or 1 TB, 12 GB RAM or 512 GB, 12 GB RAM or 256 GB, 12 GB RAM UFS 4.0 1 TB, 16 GB RAM or 512 GB, 12 GB RAM or 256 GB, 12 GB RAM UFS 4.0
Expandable Storage microSDXC (uses shared SIM slot) No No
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor present barometer sensor present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast charging 25W, 50% in 30 min (advertised)
Fast wireless charging 15W
Reverse wireless charging
USB Power Delivery 3.0
Non-removable Li-ion Battery
Fast Battery Charging 45W wired, PD3.0, 65% in 30 min
25W wireless (Qi2)
4.5W reverse wireless
Non-removable Li-Po Battery
Fast Battery Charging 25W wired, QC2.0, 50% in 30 min
15W wireless
4.5W reverse wireless
Capacity 4500 mAh 5000 mAh 4400 mAh
Stand by - - -
Talk Time - - -